Hey billy chilly, I just pictured that cross between Wario and the Beetlejuice monster thingy. Yes, THAT's a scary end boss.
It's perfect!
The only problem is that we can't seem to convert our ideas into a downloadable and somewhat playable game. Probably because we don't have the programs to make them.
I think the best way for us to envision the next Mario game is to post more details about it, like locations, enemies, bosses, allies, items, mini-games, etc.
Be original with them, since originality is what started the video game industry. It was also Atari's only chance to survive, and they did so with flying colors. Until good ol' Nintendo smashed 'em. But nowadays the Atari originality of games don't seem to pop up as often... indicating another video game market crash in the future.
Peaceful penguins, demented dragons and growling griffins, oh my.